Package: FilterableExpression

FilterableExpression

name	instruction	branch	complexity	line	method
requiresFilterExpression()	M: 0 C: 2 100%	M: 0 C: 0 100%	M: 0 C: 1 100%	M: 0 C: 1 100%	M: 0 C: 1 100%

Coverage

1: /*
2: * JOPA
3: * Copyright (C) 2023 Czech Technical University in Prague
4: *
5: * This library is free software; you can redistribute it and/or
6: * modify it under the terms of the GNU Lesser General Public
7: * License as published by the Free Software Foundation; either
8: * version 3.0 of the License, or (at your option) any later version.
9: *
10: * This library is distributed in the hope that it will be useful,
11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * Lesser General Public License for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public
16: * License along with this library.
17: */
18: package cz.cvut.kbss.jopa.query.soql;
19:
20: /**
21: * A SOQL expression that may require a SPARQL FILTER expression.
22: *
23: * Note that currently the expression works for two arguments only.
24: */
25: interface FilterableExpression {
26:
27: /**
28: * Generates a SPARQL filter expression for the specified first and second argument.
29: *
30: * @param parameter Variable already declared in the query
31: * @param value Value (variable) used to filter the query-bound variable values
32: * @return SPARQL FILTER expression
33: */
34: String toFilterExpression(String parameter, String value);
35:
36: /**
37: * Whether this SOQL expression requires a SPARQL FILTER.
38: * <p>
39: * For example, equality operator does not require a FILTER because a simple triple pattern is functionally
40: * equivalent and has to be used anyway.
41: *
42: * @return Boolean specifying whether this operator is required
43: */
44: default boolean requiresFilterExpression() {
45: return true;
46: }
47: }